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The time division multiple access (TDMA) technique has been applied in automotive multiple-input multiple-output (MIMO) radar. However, it suffers from the transmit energy loss, and as a result the parameter estimation performance…

Signal Processing · Electrical Eng. & Systems 2021-03-26 Feng Xu , Sergiy A. Vorobyov , Fawei Yang

Reconstruction-based anomaly detection models achieve their purpose by suppressing the generalization ability for anomaly. However, diverse normal patterns are consequently not well reconstructed as well. Although some efforts have been…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Wenrui Liu , Hong Chang , Bingpeng Ma , Shiguang Shan , Xilin Chen

Silva et al. proposed a universal secure network coding scheme based on MRD codes, which can be applied to any underlying network code. This paper considers a stronger eavesdropping model where the eavesdroppers possess the ability to…

Information Theory · Computer Science 2010-11-03 Eitaro Shioji , Ryutaroh Matsumoto , Tomohiko Uyematsu

The massiveness of devices in crowded Machine-to-Machine (M2M) communications brings new challenges to existing random-access (RA) schemes, such as heavy signaling overhead and severe access collisions. In order to reduce the signaling…

Information Theory · Computer Science 2019-10-09 Zhaoji Zhang , Ying Li , Lei Liu , Wei Hou

This paper studies the detection and performance analysis problems for a relay network with $N$ parallel decode-and-forward (DF) relays. Due to the distributed nature of this network, it is practically very challenging to fulfill the…

Information Theory · Computer Science 2020-08-25 Yuxin Lu , Wai Ho Mow

Modern radar systems are designed to have high Doppler tolerance to detect fast-moving targets. This means range and Doppler estimations are inevitably coupled, opening pathways to concealing objects by imprinting artificial Doppler…

Signal Processing · Electrical Eng. & Systems 2023-05-17 V. Kozlov , D. Vovchuk , P. Ginzburg

We establish the optimal diversity-multiplexing (DM) tradeoff for coherent selective-fading multiple-access MIMO channels and provide corresponding code design criteria. As a byproduct, on the conceptual level, we find an interesting…

Information Theory · Computer Science 2009-06-26 Pedro Coronel , Markus Gärtner , Helmut Bölcskei

Invoking large transmit antenna arrays, massive MIMO wiretap settings are capable of suppressing passive eavesdroppers via narrow beamforming towards legitimate terminals. This implies that secrecy is obtained almost for free in these…

Information Theory · Computer Science 2019-12-06 Ali Bereyhi , Saba Asaad , Ralf R. Müller , Rafael F. Schaefer , Georg Fischer , H. Vincent Poor

Secure precision time synchronization is important for applications of Cyber-Physical Systems. However, several attacks, especially the Time Delay Attack (TDA), deteriorates the performance of time synchronization system seriously. Multiple…

Cryptography and Security · Computer Science 2024-06-25 Yang Li , Yujie Luo , Yichen Zhang , Ao Sun , Wei Huang , Shuai Zhang , Tao Zhang , Chuang Zhou , Li Ma , Jie Yang , Mei Wu , Heng Wang , Yan Pan , Yun Shao , Xing Chen , Ziyang Chen , Song Yu , Hong Guo , Bingjie Xu

The family of constant-modulus algorithms is widely used in wireless communication systems and in radar. The classical constant-modulus adaptive (CMA) algorithm, however, fails to lock onto a single mode when used in conjunction with an…

Signal Processing · Electrical Eng. & Systems 2018-07-26 Stanislaw Gorlow , João Paulo C. L. da Costa , and Martin Haardt

Information leakage can have dramatic consequences on systems security. Among harmful information leaks, the timing information leakage occurs whenever an attacker successfully deduces confidential internal information. In this work, we…

Cryptography and Security · Computer Science 2022-10-05 Étienne André , Didier Lime , Dylan Marinho , Jun Sun

In this paper, we consider the problem of joint transmit precoding (TPC) matrix and receive filter matrix design subject to both secrecy and per-transmitter power constraints in the MIMO interference channel, where $K$ legitimate…

Information Theory · Computer Science 2016-01-20 Zhengmin Kong , Shaoshi Yang , Feilong Wu , Shixin Peng , Liang Zhong , Lajos Hanzo

A two-ray multipath model for frequency diverse array (FDA)-based directional modulation (DM) is proposed in multi-input single-output multi-eavesdropper (MISOME) wiretap channels for the first time. The excitation factors of the FDA and…

Signal Processing · Electrical Eng. & Systems 2019-08-14 Qian Cheng , Vincent Fusco , Shilian Wang , Jiang Zhu

We consider the Gaussian wiretap channel with M helpers, where no eavesdropper channel state information (CSI) is available at the legitimate entities. The exact secure d.o.f. of the Gaussian wiretap channel with M helpers with perfect CSI…

Information Theory · Computer Science 2013-02-27 Jianwei Xie , Sennur Ulukus

Multispectral oriented object detection faces challenges due to both inter-modal and intra-modal discrepancies. Recent studies often rely on transformer-based models to address these issues and achieve cross-modal fusion detection. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Minghang Zhou , Tianyu Li , Chaofan Qiao , Dongyu Xie , Guoqing Wang , Ningjuan Ruan , Lin Mei , Yang Yang

Accurate Direction of Arrival (DoA) estimation is critical for applications in robotics and communication, but high costs and complexity of coherent multi-channel receivers hinder accessibility. This work proposes a cost-effective DoA…

Signal Processing · Electrical Eng. & Systems 2025-02-13 Lennart Werner , Markus Gardill , Marco Hutter

Matrix multiplication over the real field constitutes a foundational operation in the training of deep learning models, serving as a computational cornerstone for both forward and backward propagation processes. However, the presence of…

Information Theory · Computer Science 2025-08-07 Hao Shi , Zhengyi Jiang , Zhongyi Huang , Bo Bai , Gong Zhang , Hanxu Hou

The massive machine-type communications (mMTC) paradigm based on media modulation in conjunction with massive MIMO base stations (BSs) is emerging as a viable solution to support the massive connectivity for the future Internet-of-Things,…

Information Theory · Computer Science 2021-07-07 Li Qiao , Jun Zhang , Zhen Gao , Derrick Wing Kwan Ng , Marco Di Renzo , Mohamed-Slim Alouini

Autonomous driving is reshaping the way humans travel, with millimeter wave (mmWave) radar playing a crucial role in this transformation to enabe vehicle-to-everything (V2X). Although chirp is widely used in mmWave radar systems for its…

Signal Processing · Electrical Eng. & Systems 2025-05-23 Zhuoran Li , Shufeng Tan , Zhen Gao , Yi Tao , Zhonghuai Wu , Zhongxiang Li , Chun Hu , Dezhi Zheng

Dynamic Time Division Duplex (TDD) has been introduced as a solution to deal with the uplink and downlink traffic asymmetry, mainly observed for dense heterogeneous network deployments. However, the use of this feature requires new…

Networking and Internet Architecture · Computer Science 2018-05-18 Jalal Rachad , Ridha Nasri , Laurent Decreusefond
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